vcpkg/ports/godot-cpp/packagable.patch

diff --git a/CMakeLists.txt b/CMakeLists.txt
index e715102..b000066 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -37,7 +37,7 @@
 # Todo
 # Test build for Windows, Mac and mingw.
 
-cmake_minimum_required(VERSION 3.13)
+cmake_minimum_required(VERSION 3.19)
 project(godot-cpp LANGUAGES CXX)
 
 option(GENERATE_TEMPLATE_GET_NODE "Generate a template version of the Node class's get_node." ON)
@@ -65,9 +65,8 @@ if(NOT DEFINED BITS)
 endif()
 
 # Input from user for GDExtension interface header and the API JSON file
-set(GODOT_GDEXTENSION_DIR "gdextension" CACHE STRING "")
+set(GODOT_GDEXTENSION_DIR "${CMAKE_CURRENT_SOURCE_DIR}/gdextension" CACHE STRING "")
 set(GODOT_CUSTOM_API_FILE "" CACHE STRING "")
-
 set(GODOT_GDEXTENSION_API_FILE "${GODOT_GDEXTENSION_DIR}/extension_api.json")
 if (NOT "${GODOT_CUSTOM_API_FILE}" STREQUAL "")  # User-defined override.
 	set(GODOT_GDEXTENSION_API_FILE "${GODOT_CUSTOM_API_FILE}")
@@ -85,9 +84,9 @@ if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
 	set(GODOT_COMPILE_FLAGS "/utf-8") # /GF /MP
 
 	if(CMAKE_BUILD_TYPE MATCHES Debug)
-		set(GODOT_COMPILE_FLAGS "${GODOT_COMPILE_FLAGS} /MDd") # /Od /RTC1 /Zi
+		set(GODOT_COMPILE_FLAGS "${GODOT_COMPILE_FLAGS} /Od") # /Od /RTC1 /Zi
 	else()
-		set(GODOT_COMPILE_FLAGS "${GODOT_COMPILE_FLAGS} /MD /O2") # /Oy /GL /Gy
+		set(GODOT_COMPILE_FLAGS "${GODOT_COMPILE_FLAGS} /O2") # /Oy /GL /Gy
 		STRING(REGEX REPLACE "/RTC(su|[1su])" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
 		string(REPLACE "/RTC1" "" CMAKE_CXX_FLAGS_DEBUG ${CMAKE_CXX_FLAGS_DEBUG})
 	endif(CMAKE_BUILD_TYPE MATCHES Debug)
@@ -117,7 +116,6 @@ else()
 endif()
 
 # Generate source from the bindings file
-find_package(Python3 3.4 REQUIRED) # pathlib should be present
 if(GENERATE_TEMPLATE_GET_NODE)
 	set(GENERATE_BINDING_PARAMETERS "True")
 else()
@@ -183,9 +181,10 @@ if (GODOT_CPP_SYSTEM_HEADERS)
 endif ()
 
 target_include_directories(${PROJECT_NAME} ${GODOT_CPP_SYSTEM_HEADERS_ATTRIBUTE} PUBLIC
-	include
-	${CMAKE_CURRENT_BINARY_DIR}/gen/include
-	${GODOT_GDEXTENSION_DIR}
+	$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
+	$<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}/gen/include>
+	$<BUILD_INTERFACE:${GODOT_GDEXTENSION_DIR}>
+	$<INSTALL_INTERFACE:include>
 )
 
 # Add the compile flags
@@ -213,4 +212,8 @@ set_target_properties(${PROJECT_NAME}
 		LIBRARY_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/bin"
 		RUNTIME_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/bin"
 		OUTPUT_NAME "${OUTPUT_NAME}"
+		EXPORT_NAME "cpp"
 )
+
+
+include("cmake/install.cmake")
diff --git a/cmake/config.cmake b/cmake/config.cmake
new file mode 100644
index 0000000..bcddb3c
--- /dev/null
+++ b/cmake/config.cmake
@@ -0,0 +1 @@
+include("${CMAKE_CURRENT_LIST_DIR}/unofficial-godot-cpp-target.cmake")
diff --git a/cmake/install.cmake b/cmake/install.cmake
new file mode 100644
index 0000000..f48ab5c
--- /dev/null
+++ b/cmake/install.cmake
@@ -0,0 +1,46 @@
+
+include("CMakePackageConfigHelpers")
+include("GNUInstallDirs")
+
+install(TARGETS "godot-cpp"
+	EXPORT "unofficial-godot-cpp-target"
+	ARCHIVE
+		DESTINATION "${CMAKE_INSTALL_LIBDIR}"
+)
+install(
+	DIRECTORY
+		"${CMAKE_CURRENT_SOURCE_DIR}/include/"
+		"${CMAKE_CURRENT_BINARY_DIR}/gen/include/"
+	DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"
+)
+
+install(FILES "${GODOT_GDEXTENSION_DIR}/gdextension_interface.h"
+	DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"
+)
+install(FILES "${GODOT_GDEXTENSION_API_FILE}"
+	DESTINATION "${CMAKE_INSTALL_DATADIR}/godot-cpp"
+)
+
+install(FILES "${CMAKE_CURRENT_SOURCE_DIR}/cmake/config.cmake"
+	RENAME "unofficial-godot-cpp-config.cmake"
+	DESTINATION "${CMAKE_INSTALL_DATADIR}/unofficial-godot-cpp"
+)
+install(EXPORT "unofficial-godot-cpp-target"
+	NAMESPACE "unofficial::godot::"
+	DESTINATION "${CMAKE_INSTALL_DATADIR}/unofficial-godot-cpp"
+)
+
+file(READ "${GODOT_GDEXTENSION_API_FILE}" GODOT_GDEXTENSION_API_JSON)
+string(JSON GODOT_API_VERSION_MAJOR GET "${GODOT_GDEXTENSION_API_JSON}" "header" "version_major")
+string(JSON GODOT_API_VERSION_MINOR GET "${GODOT_GDEXTENSION_API_JSON}" "header" "version_minor")
+string(JSON GODOT_API_VERSION_PATCH GET "${GODOT_GDEXTENSION_API_JSON}" "header" "version_patch")
+set(GODOT_API_VERSION "${GODOT_API_VERSION_MAJOR}.${GODOT_API_VERSION_MINOR}.${GODOT_API_VERSION_PATCH}")
+unset(GODOT_GDEXTENSION_API_JSON)
+
+write_basic_package_version_file("${CMAKE_CURRENT_BINARY_DIR}/unofficial-godot-cpp-config-version.cmake"
+	VERSION "${GODOT_API_VERSION}"
+	COMPATIBILITY SameMinorVersion
+)
+install(FILES "${CMAKE_CURRENT_BINARY_DIR}/unofficial-godot-cpp-config-version.cmake"
+	DESTINATION "${CMAKE_INSTALL_DATADIR}/unofficial-godot-cpp"
+)